<template>
  <div id="itemMain" ref="itemRef"></div>
</template>

<script>
import * as echarts from 'echarts';
export default {
  props: {
    data: {},
  },
  data() {
    return {
      myChart: null,
      option: {},
    };
  },
  mounted() {
    let chartDom = this.$refs.itemRef;
    this.myChart = echarts.init(chartDom, null, {
      devicePixelRatio: 2.5,
    });

    this.option = {
      backgroundColor: '#121C43',
      title: {
        // text: '外籍人员\n\n' + bfb,
        text: `${this.data.name}\n  ${this.data.bfb}%`,
        textStyle: {
          color: '#fff',
          fontSize: 12,
        },
        left: 'center',
        bottom: '5%',
        itemGap: 80,
      },
      angleAxis: {
        clockwise: false,
        startAngle: -45,
        axisLine: {
          show: false,
        },
        axisTick: {
          show: false,
        },
        axisLabel: {
          show: false,
        },
        splitLine: {
          show: false,
        },
      },
      radiusAxis: {
        type: 'category',
        axisLine: {
          show: false,
        },
        axisTick: {
          show: false,
        },
        axisLabel: {
          show: false,
        },
        splitLine: {
          show: false,
        },
      },
      polar: {
        radius: 100, //图形大小
      },
      series: [
        {
          type: 'gauge',
          roundCap: true,
          radius: '155%',
          center: ['50%', '85%'],
          splitNumber: 0,
          startAngle: 180,
          endAngle: 0,
          z: 4,
          zlevel: 0,
          axisLine: {
            show: true,
            roundCap: true,
            lineStyle: {
              // 轴线样式
              width: 2, // 宽度
              color: [
                [
                  1,
                  new echarts.graphic.LinearGradient(0, 0, 1, 0, [
                    {
                      offset: 0,
                      color: '#0E1B46',
                    },
                    {
                      offset: 0.5,
                      color: '#3D5FD6',
                    },
                    {
                      offset: 1,
                      color: '#0E1B46',
                    },
                  ]),
                ],
              ],
            },
          },
          //分隔线样式
          splitLine: {
            show: false,
          },
          axisLabel: {
            show: false,
          },
          axisTick: {
            show: false,
          },
        },
        //中间
        {
          type: 'gauge',
          radius: '185%',
          center: ['50%', '85%'],
          splitNumber: 40,
          startAngle: 180,
          endAngle: 0,
          hoverAnimation: true,
          axisTick: {
            show: false,
          },
          splitLine: {
            show: true,
            length: 5,
            lineStyle: {
              width: 2,
              fontWeight: 400,
              color: '#1A2D78',
            },
          },

          axisLabel: {
            show: false,
          },
          pointer: {
            show: false,
          },
          axisLine: {
            show: false,
          },
          detail: {
            show: false,
          },
        },
        {
          zlevel: 2,
          type: 'pie',
          hoverAnimation: false, //鼠标经过的特效
          radius: ['115%', '125%'],
          center: ['50%', '85%'],
          startAngle: 180,
          labelLine: {
            normal: {
              show: false,
            },
          },
          label: {
            normal: {
              position: 'center',
            },
          },
          data: [
            {
              value: 100,
              itemStyle: {
                normal: {
                  color: '#AAB9D3',
                },
              },
            },
            {
              value: 100,
              itemStyle: {
                normal: {
                  label: {
                    show: false,
                  },
                  labelLine: {
                    show: false,
                  },
                  color: 'rgba(0,0,0,0)',
                  borderWidth: 0,
                },
                emphasis: {
                  color: 'rgba(0,0,0,0)',
                  borderWidth: 0,
                },
              },
            },
          ],
        },

        {
          zlevel: 3,
          type: 'gauge',
          startAngle: 180,
          endAngle: 0,
          radius: '125%',
          center: ['50%', '85%'],
          progress: {
            show: true,
            width: 5,
          },
          pointer: {
            show: false,
          },
          axisLine: {
            show: false,
          },
          axisTick: {
            show: false,
          },
          splitLine: {
            show: false,
          },
          axisLabel: {
            show: false,
          },
          detail: {
            show: false,
          },
          data: [
            {
              value: this.data.bfb,
              itemStyle: {
                normal: {
                  color: this.handleColor(this.data.bfb),
                },
              },
            },
          ],
        },
      ],
    };
    this.myChart.setOption(this.option);
    window.addEventListener('resize', () => {
      this.myChart.resize();
    });
  },
  methods: {
    handleColor(index) {
      if (index * 1 == 100) {
        return '#75F867';
      } else if (index * 1 > 95) {
        return '#3B60ED';
      } else if (index * 1 > 90) {
        return '#5470C6';
      } else if (index * 1 > 85) {
        return '#F3C358';
      } else if (index * 1 > 80) {
        return '#FF7070';
      } else {
        return 'red';
      }
    },
  },
};
</script>

<style lang="less" scoped>
#itemMain {
  width: 100%;
  height: 100%;
}
</style>
